Akira ISHII

Fast Focus Mechanism with Constant Magnification Using a Varifocal Lens and Its Application to Three-Dimensional Imaging
Akira ISHII  Hiroaki YAMASHIRO 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2012/07/01
Vol. E95-D  No. 7  pp. 1804-1810
Type of Manuscript: Special Section PAPER (Special Section on Machine Vision and its Applications)
Category: 3D Reconstruction
Keyword: 
varifocal lens,  telecentric lens,  parallel projection,  perspective projection,  3-D imaging, 
  Summary |  Full Text:PDF (1.9MB)
Constant-Magnification Varifocal Mirror and Its Application to Measuring Three-Dimensional (3-D) Shape of Solder Bump
Akira ISHII  Jun MITSUDO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2007/01/01
Vol. E90-C  No. 1  pp. 6-11
Type of Manuscript: Special Section PAPER (Special Section on Microoptomechatronics)
Category: INVITED
Keyword: 
varifocal mirror,  constant magnification,  shape from focus,  3-D shape measurement,  solder bump, 
  Summary |  Full Text:PDF (1.8MB)